The SHIMANO GRX BR-RX400 hydraulic disc brakes with their low-profile Flat Mount design offer greater control on varied terrain.

• Never hesitate to take on rough terrain
• Excellent heat dissipation
• ICE TECHNOLOGIES
• Flat mount
• Easy installation and maintenance
• Convenient access to tools
• Simple pipe coupling system (J-kit)
• Wheel easy to replace
• Easy and clean venting system
• One-way bleeding

• Model: BR-RX400-F
• Series: GRX 10-speed
• Color: Group color
• Notes: Front specification with adapter
• Brake caliper suitable for ICE TECHNOLOGIES brake pad: Yes
• Brake line color (kit): Black
• Brake line (kit): SM-BH90-JK-SSR SM-BH90-J-SSR
• Brake type: Hydraulic disc brake
• Brake caliper mounting bolt anti-loosen method: Circlip, mounting pin screw
• Brake caliper mounting bolt tool size: 4 mm
• Pipe coupling: Straight
• Mount type: Flat mount
• One-way bleeding: Yes
• Brake pad confirmation: Brake pad axle
• Piston: 2
• Recommended brake lever: ST-RX400
• Recommended disc brake: SM-RT64
• J-Kit spec (for OEM): Yes
• Oil: SHIMANO mineral oil
• Brake pad option 1: K04S-MX metal (without fin)
• Brake pad option 2: L04C-MF metal (with fin)
• Brake pad standard 1: K05S-RX plastic (without fin)
• Brake pad standard 2: L05A-RF plastic (with fin)